257612 has 6 divisors (see below), whose sum is σ = 450828. Its totient is φ = 128804.

The previous prime is 257611. The next prime is 257627. The reversal of 257612 is 216752.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 257612.

It is not an unprimeable number, because it can be changed into a prime (257611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32198 + ... + 32205.

It is an arithmetic number, because the mean of its divisors is an integer number (75138).

2²⁵⁷⁶¹² is an apocalyptic number.

It is an amenable number.

257612 is a deficient number, since it is larger than the sum of its proper divisors (193216).

257612 is a wasteful number, since it uses less digits than its factorization.

257612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64407 (or 64405 counting only the distinct ones).

The product of its digits is 840, while the sum is 23.

The square root of 257612 is about 507.5549231364. The cubic root of 257612 is about 63.6290388601.

The spelling of 257612 in words is "two hundred fifty-seven thousand, six hundred twelve".